/* CSS Variables for consistent theming */
:root {
    /* Military/War Theme Colors */
    --primary-color: #00d4ff;
    --primary-dark: #00b8e6;
    --secondary-color: #1a2332;
    --accent-color: #64ffda;
    --success-color: #00e676;
    --warning-color: #ffab40;
    --danger-color: #ff5252;
    
    /* Military Dark Theme Colors */
    --white: #ffffff;
    --light-gray: #263238;
    --gray: #78909c;
    --dark-gray: #37474f;
    --black: #000000;
    --bg-dark: #0d1421;
    --bg-medium: #1a2332;
    --bg-header: #0f1419;
    
    /* Typography */
    --font-family-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-family-heading: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    
    /* Font Sizes */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;
    
    /* Layout */
    --container-max-width: 1200px;
    --border-radius: 0.5rem;
    --border-radius-lg: 1rem;
    --box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --box-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition-fast: 0.15s ease-in-out;
    --transition-normal: 0.3s ease-in-out;
    --transition-slow: 0.5s ease-in-out;
}

/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family-primary);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--gray);
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-medium) 100%);
    background-attachment: fixed;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-family-heading);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

p {
    margin-bottom: var(--spacing-md);
    color: var(--gray);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover, a:focus {
    color: var(--primary-dark);
    outline: none;
}

ul, ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

li {
    margin-bottom: var(--spacing-sm);
}

/* Button Styles */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: all var(--transition-fast);
    min-height: 48px; /* Accessibility: minimum touch target size */
}

.button--primary {
    background-color: var(--primary-color);
    color: var(--white);
}

.button--primary:hover, .button--primary:focus {
    background-color: var(--primary-dark);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--box-shadow-lg);
}

.button--secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.button--secondary:hover, .button--secondary:focus {
    background-color: var(--primary-color);
    color: var(--white);
    transform: translateY(-2px);
}

/* Header Styles */
.header {
    background: linear-gradient(135deg, var(--bg-header) 0%, var(--bg-medium) 100%);
    border-bottom: 2px solid var(--primary-color);
    box-shadow: 0 4px 20px rgba(0, 212, 255, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: flex-start;
    height: 90px;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header__logo-icon {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
    border: 1px solid rgba(0, 212, 255, 0.2);
    overflow: hidden;
}

.header__logo-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 6px;
}

.header__title {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--primary-color);
    margin: 0;
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
    letter-spacing: 1px;
    font-family: 'Orbitron', 'Inter', monospace;
}

/* Game Section */
.game-section {
    background: linear-gradient(135deg, var(--bg-dark), var(--bg-medium));
    padding: var(--spacing-4xl) 0;
    color: var(--white);
    text-align: center;
    position: relative;
}

.game-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(0,212,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    pointer-events: none;
}

.game-section__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    position: relative;
    z-index: 1;
}

.game-section__title {
    color: var(--white);
    margin-bottom: var(--spacing-xl);
    text-shadow: 0 0 20px rgba(0, 212, 255, 0.5);
}

.game-section__iframe-wrapper {
    max-width: 1000px;
    margin: 0 auto var(--spacing-xl);
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3), 0 0 0 2px rgba(0, 212, 255, 0.2);
    background: var(--bg-medium);
}

.game-section__controls {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    z-index: 10;
}

.game-section__fullscreen-btn {
    background: rgba(0, 212, 255, 0.9);
    border: none;
    border-radius: var(--border-radius);
    color: var(--white);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: var(--font-size-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
    backdrop-filter: blur(10px);
    box-shadow: 0 4px 12px rgba(0, 212, 255, 0.3);
}

.game-section__fullscreen-btn:hover,
.game-section__fullscreen-btn:focus {
    background: rgba(0, 212, 255, 1);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
    outline: none;
}

.fullscreen-icon {
    font-size: 1.2rem;
}

.game-section__iframe {
    width: 100%;
    height: 600px;
    border: none;
    background-color: var(--bg-dark);
    display: block;
}

.game-section__loading {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-medium);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    z-index: 5;
    transition: opacity var(--transition-normal);
}

.game-section__loading.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(0, 212, 255, 0.3);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: var(--spacing-md);
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.game-section__description {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    max-width: 600px;
    margin: 0 auto;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Fullscreen Styles */
.game-section__iframe-wrapper.fullscreen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    max-width: none;
    z-index: 9999;
    border-radius: 0;
    margin: 0;
}

.game-section__iframe-wrapper.fullscreen .game-section__iframe {
    height: 100vh;
}

.game-section__iframe-wrapper.fullscreen .game-section__fullscreen-btn {
    background: rgba(220, 53, 69, 0.9);
}

.game-section__iframe-wrapper.fullscreen .game-section__fullscreen-btn:hover {
    background: rgba(220, 53, 69, 1);
}

.game-section__iframe-wrapper.fullscreen .fullscreen-icon {
    transform: rotate(45deg);
}

.game-section__iframe-wrapper.fullscreen .fullscreen-text::before {
    content: 'Exit ';
}

/* Hero Section */
.hero {
    padding: var(--spacing-4xl) 0;
    background-color: var(--light-gray);
}

.hero__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero__title {
    color: var(--dark-gray);
    margin-bottom: var(--spacing-lg);
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-xl);
    color: var(--gray);
}

.hero__buttons {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.hero__placeholder {
    font-size: 8rem;
    text-align: center;
    opacity: 0.6;
}

/* Features Section */
.features {
    padding: var(--spacing-4xl) 0;
    background: linear-gradient(135deg, var(--light-gray) 0%, var(--white) 100%);
}

.features__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.features__title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
    font-size: var(--font-size-3xl);
    text-shadow: 0 2px 4px rgba(0, 212, 255, 0.1);
}

.features__intro {
    text-align: center;
    font-size: var(--font-size-lg);
    color: var(--gray);
    max-width: 800px;
    margin: 0 auto var(--spacing-3xl);
    line-height: 1.7;
}

.features__grid {
    display: grid;
    gap: var(--spacing-3xl);
}

.feature-card {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: var(--spacing-2xl);
    background-color: var(--white);
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    transition: all var(--transition-normal);
    align-items: center;
    border-left: 4px solid var(--primary-color);
}

.feature-card:nth-child(even) {
    grid-template-columns: 1fr 400px;
    border-left: 4px solid var(--accent-color);
}

.feature-card:nth-child(even) .feature-card__image {
    order: 2;
}

.feature-card:nth-child(even) .feature-card__content {
    order: 1;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-lg);
}

.feature-card__image {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-card__img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: var(--border-radius-lg);
    transition: transform var(--transition-normal);
}

.feature-card:hover .feature-card__img {
    transform: scale(1.05);
}

.feature-card__content {
    padding: var(--spacing-md) 0;
}

.feature-card__title {
    color: var(--primary-color);
    font-size: var(--font-size-2xl);
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.feature-card__subtitle {
    color: var(--dark-gray);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    border-bottom: 2px solid var(--light-gray);
    padding-bottom: var(--spacing-sm);
}

.feature-card__description {
    color: var(--gray);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
    font-size: var(--font-size-base);
}

.feature-card__description:last-child {
    margin-bottom: 0;
}

/* What Is Section */
.what-is {
    padding: var(--spacing-4xl) 0;
    background-color: var(--light-gray);
}

.what-is__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.what-is__title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    font-size: var(--font-size-3xl);
}

.what-is__subtitle {
    color: var(--dark-gray);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-xl);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: var(--spacing-sm);
}

.what-is__feature-title {
    color: var(--primary-color);
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.what-is__description {
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-lg);
    color: var(--gray);
    line-height: 1.7;
}

.what-is__list {
    list-style: none;
    margin: 0 0 var(--spacing-xl) 0;
}

.what-is__list li {
    position: relative;
    padding-left: var(--spacing-xl);
    margin-bottom: var(--spacing-md);
    color: var(--gray);
    line-height: 1.6;
}

.what-is__list li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.what-is__list li strong {
    color: var(--primary-color);
    font-weight: 600;
}

.what-is__placeholder {
    font-size: 6rem;
    text-align: center;
    opacity: 0.6;
}

/* How to Play Section */
.how-to {
    padding: var(--spacing-4xl) 0;
    background-color: var(--white);
}

.how-to__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.how-to__title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
    font-size: var(--font-size-3xl);
}

.how-to__intro {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.how-to__subtitle {
    color: var(--dark-gray);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: var(--spacing-sm);
    display: inline-block;
}

.how-to__description {
    color: var(--gray);
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.how-to__steps {
    display: grid;
    gap: var(--spacing-2xl);
}

.step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: var(--spacing-xl);
    align-items: flex-start;
    padding: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--white), var(--light-gray));
    border-radius: var(--border-radius-lg);
    transition: all var(--transition-normal);
    box-shadow: var(--box-shadow);
    border-left: 4px solid var(--primary-color);
}

.step:hover {
    transform: translateX(10px);
    box-shadow: var(--box-shadow-lg);
}

.step__number {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: var(--white);
    font-size: var(--font-size-xl);
    font-weight: bold;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.step__title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
}

.step__subtitle {
    color: var(--dark-gray);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    border-bottom: 1px solid var(--light-gray);
    padding-bottom: var(--spacing-xs);
}

.step__description {
    color: var(--gray);
    margin: 0;
    line-height: 1.7;
    font-size: var(--font-size-base);
}

/* Why Play Section */
.why-play {
    padding: var(--spacing-4xl) 0;
    background-color: var(--light-gray);
}

.why-play__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.why-play__title {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    color: var(--primary-color);
    font-size: var(--font-size-3xl);
}

.why-play__intro {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.why-play__subtitle {
    color: var(--dark-gray);
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary-color);
    padding-bottom: var(--spacing-sm);
    display: inline-block;
}

.why-play__description {
    color: var(--gray);
    font-size: var(--font-size-lg);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
}

.why-play__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: var(--spacing-2xl);
}

.benefit {
    background: linear-gradient(135deg, var(--white), var(--light-gray));
    padding: var(--spacing-2xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--box-shadow);
    transition: all var(--transition-normal);
    border-left: 4px solid var(--accent-color);
}

.benefit:hover {
    transform: translateY(-8px);
    box-shadow: var(--box-shadow-lg);
}

.benefit__title {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
}

.benefit__subtitle {
    color: var(--dark-gray);
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    border-bottom: 1px solid var(--light-gray);
    padding-bottom: var(--spacing-xs);
}

.benefit__description {
    color: var(--gray);
    margin: 0;
    line-height: 1.7;
    font-size: var(--font-size-base);
}

/* FAQ Section */
.faq {
    padding: var(--spacing-4xl) 0;
    background-color: var(--white);
}

.faq__container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.faq__title {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
    color: var(--dark-gray);
}

.faq__list {
    display: grid;
    gap: var(--spacing-lg);
}

.faq__item {
    background-color: var(--light-gray);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: box-shadow var(--transition-normal);
}

.faq__item:hover {
    box-shadow: var(--box-shadow);
}

.faq__question {
    padding: var(--spacing-lg);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--dark-gray);
    cursor: pointer;
    list-style: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq__question::after {
    content: '+';
    font-size: var(--font-size-xl);
    color: var(--primary-color);
    transition: transform var(--transition-fast);
}

.faq__item[open] .faq__question::after {
    transform: rotate(45deg);
}

.faq__answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq__answer p {
    margin: 0;
    color: var(--gray);
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: var(--white);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
}

.footer__container {
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer__title {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
}

.footer__description {
    color: rgba(255, 255, 255, 0.8);
}

.footer__heading {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--white);
}

.footer__list {
    list-style: none;
    margin: 0;
}

.footer__list li {
    margin-bottom: var(--spacing-sm);
}

.footer__link {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer__link:hover, .footer__link:focus {
    color: var(--primary-color);
}

.footer__social {
    display: flex;
    gap: var(--spacing-md);
}

.footer__social-link {
    font-size: var(--font-size-xl);
    padding: var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: transform var(--transition-fast);
}

.footer__social-link:hover, .footer__social-link:focus {
    transform: translateY(-2px);
}

.footer__bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
}

.footer__copyright {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .hero__container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .what-is__container {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 1.875rem;
        --font-size-3xl: 1.5rem;
    }
    
    .header__container {
        height: 70px;
        padding: 0 var(--spacing-md);
    }
    
    .header__logo-icon {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }
    
    .header__title {
        font-size: var(--font-size-lg);
    }
    
    .game-section__iframe {
        height: 400px;
    }
    
    .game-section__iframe-wrapper {
        margin: 0 var(--spacing-sm) var(--spacing-xl);
    }
    
    .game-section__controls {
        top: var(--spacing-xs);
        right: var(--spacing-xs);
    }
    
    .game-section__fullscreen-btn {
        padding: var(--spacing-xs) var(--spacing-sm);
        font-size: var(--font-size-xs);
    }
    
    .fullscreen-text {
        display: none;
    }
    
    .fullscreen-icon {
        font-size: 1rem;
    }
    
    .hero__buttons {
        justify-content: center;
    }
    
    .features__grid {
        gap: var(--spacing-2xl);
    }
    
    .feature-card {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
        text-align: center;
    }
    
    .feature-card:nth-child(even) {
        grid-template-columns: 1fr;
    }
    
    .feature-card:nth-child(even) .feature-card__image,
    .feature-card:nth-child(even) .feature-card__content {
        order: initial;
    }
    
    .feature-card__image {
        max-width: 100%;
    }
    
    .feature-card__img {
        height: 200px;
    }
    
    .feature-card__title {
        font-size: var(--font-size-xl);
    }
    
    .feature-card__subtitle {
        font-size: var(--font-size-base);
    }
    
    .what-is__title,
    .how-to__title,
    .why-play__title {
        font-size: var(--font-size-2xl);
    }
    
    .what-is__subtitle,
    .how-to__subtitle,
    .why-play__subtitle {
        font-size: var(--font-size-lg);
    }
    
    .step {
        grid-template-columns: 1fr;
        text-align: center;
        gap: var(--spacing-lg);
        padding: var(--spacing-lg);
    }
    
    .step__number {
        width: 60px;
        height: 60px;
        margin: 0 auto var(--spacing-md);
    }
    
    .why-play__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .benefit {
        padding: var(--spacing-lg);
    }
    
    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .header__container {
        padding: 0 var(--spacing-sm);
    }
    
    .game-section,
    .hero,
    .features,
    .what-is,
    .how-to,
    .why-play,
    .faq {
        padding: var(--spacing-2xl) 0;
    }
    
    .game-section__container,
    .hero__container,
    .features__container,
    .what-is__container,
    .how-to__container,
    .why-play__container,
    .faq__container {
        padding: 0 var(--spacing-sm);
    }
    
    .game-section__iframe {
        height: 350px;
    }
    
    .game-section__iframe-wrapper {
        margin: 0 0 var(--spacing-xl);
    }
    
    .game-section__title {
        font-size: var(--font-size-2xl);
    }
    
    .features__title {
        font-size: var(--font-size-2xl);
    }
    
    .feature-card {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .feature-card__img {
        height: 180px;
    }
    
    .feature-card__title {
        font-size: var(--font-size-lg);
    }
    
    .feature-card__subtitle {
        font-size: var(--font-size-sm);
    }
    
    .hero__buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .button {
        width: 100%;
        max-width: 300px;
    }
}

/* Extra small devices (portrait phones, less than 375px) */
@media (max-width: 375px) {
    .game-section__iframe {
        height: 300px;
    }
    
    .game-section__title {
        font-size: var(--font-size-xl);
    }
    
    .game-section__description {
        font-size: var(--font-size-base);
    }
    
    .features__title {
        font-size: var(--font-size-xl);
    }
    
    .feature-card__img {
        height: 150px;
    }
    
    .feature-card__title {
        font-size: var(--font-size-base);
    }
    
    .feature-card__description {
        font-size: var(--font-size-sm);
    }
    
    .what-is__title,
    .how-to__title,
    .why-play__title {
        font-size: var(--font-size-xl);
    }
    
    .what-is__subtitle,
    .how-to__subtitle,
    .why-play__subtitle {
        font-size: var(--font-size-base);
    }
    
    .what-is__description,
    .how-to__description,
    .why-play__description,
    .step__description,
    .benefit__description {
        font-size: var(--font-size-sm);
    }
    
    .step {
        padding: var(--spacing-md);
        gap: var(--spacing-md);
    }
    
    .step__number {
        width: 50px;
        height: 50px;
        font-size: var(--font-size-lg);
    }
    
    .step__title,
    .benefit__title {
        font-size: var(--font-size-lg);
    }
    
    .benefit {
        padding: var(--spacing-md);
    }
}

/* Focus Styles for Accessibility */
*:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus,
a:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* Smooth animations for reduced motion preference */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    :root {
        --box-shadow: 0 0 0 1px var(--dark-gray);
        --box-shadow-lg: 0 0 0 2px var(--dark-gray);
    }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
    .game-section__fullscreen-btn {
        padding: var(--spacing-md);
        min-width: 48px;
        min-height: 48px;
    }
    
    .button {
        min-height: 48px;
        padding: var(--spacing-md) var(--spacing-xl);
    }
    
    .feature-card:hover {
        transform: none;
    }
    
    .step:hover {
        transform: none;
    }
    
    .benefit:hover {
        transform: none;
    }
}

/* Landscape orientation on mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .game-section__iframe {
        height: 70vh;
    }
    
    .game-section {
        padding: var(--spacing-xl) 0;
    }
}